midfielder Yasin Ayari is a target for Chelsea, Barcelona and Real Madrid are keeping an eye on Aston Villa's Johan Manzambi and Arsenal striker Viktor Gyokeres could be moved on.

Chelsea have joined Galatasaray in the hunt for Brighton's 23-year-old Sweden midfielder Yasin Ayari. (Teamtalk)

Liverpool are not in any rush to open contract negotiations with Argentina midfielder Alexis Mac Allister despite the 27-year-old's upturn in form this season. (Telegraph - subscription required)

Manchester United are among several European clubs showing interest in FC Twente's highly rated Dutch centre-back Ruud Nijstad, 18. (Athletic - subscription required)

Barcelona and Real Madrid are among the clubs keeping tabs on Switzerland midfielder Johan Manzambi after the 21-year-old's impressive start to his Aston Villa career. (Football Insider)

Sunderland are preparing a renewed bid to sign Sporting and Mozambique winger Geny Catamo, 25, in the January transfer window. (Teamtalk)

Everton are monitoring Dinamo Zagreb's 24-year-old Croatia striker Dion Beljo as one of several options in the January window. (Football Insider)

Liverpool, and a number of top European sides, are interested in signing 18-year-old Mexico midfielder Gilberto Mora from Tijuana. (Marca)

Arsenal want to recoup the £55m they paid to sign Sweden striker Viktor Gyokeres, 28, with a deal more likely to happen at the end of the season than in January. (Football Insider)

Brazil forward Vinicius Jr was strongly tempted to move to Arsenal in the summer, but the 26-year-old now hopes to spend the rest of his career with Real Madrid. (Mail - subscription required)

Arsenal are leading the race among Premier League clubs to sign 20-year-old Turkey midfielder Can Uzun from Eintracht Frankfurt. (The Daily Briefing)